arch/powerpc/include/asm/ppc-opcode.h

   1 /*
   2  * Copyright 2009 Freescale Semicondutor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version
   7  * 2 of the License, or (at your option) any later version.
   8  *
   9  * provides masks and opcode images for use by code generation, emulation
  10  * and for instructions that older assemblers might not know about
  11  */
  12 #ifndef _ASM_POWERPC_PPC_OPCODE_H
  13 #define _ASM_POWERPC_PPC_OPCODE_H
  14
  15 #include <linux/stringify.h>
  16 #include <asm/asm-compat.h>
  17
  18 /* sorted alphabetically */
  19 #define PPC_INST_DCBA                   0x7c0005ec
  20 #define PPC_INST_DCBA_MASK              0xfc0007fe
  21 #define PPC_INST_DCBAL                  0x7c2005ec
  22 #define PPC_INST_DCBZL                  0x7c2007ec
  23 #define PPC_INST_ISEL                   0x7c00001e
  24 #define PPC_INST_ISEL_MASK              0xfc00003e
  25 #define PPC_INST_LSWI                   0x7c0004aa
  26 #define PPC_INST_LSWX                   0x7c00042a
  27 #define PPC_INST_LWSYNC                 0x7c2004ac
  28 #define PPC_INST_LXVD2X                 0x7c000698
  29 #define PPC_INST_MCRXR                  0x7c000400
  30 #define PPC_INST_MCRXR_MASK             0xfc0007fe
  31 #define PPC_INST_MFSPR_PVR              0x7c1f42a6
  32 #define PPC_INST_MFSPR_PVR_MASK         0xfc1fffff
  33 #define PPC_INST_MSGSND                 0x7c00019c
  34 #define PPC_INST_NOP                    0x60000000
  35 #define PPC_INST_POPCNTB                0x7c0000f4
  36 #define PPC_INST_POPCNTB_MASK           0xfc0007fe
  37 #define PPC_INST_RFCI                   0x4c000066
  38 #define PPC_INST_RFDI                   0x4c00004e
  39 #define PPC_INST_RFMCI                  0x4c00004c
  40
  41 #define PPC_INST_STRING                 0x7c00042a
  42 #define PPC_INST_STRING_MASK            0xfc0007fe
  43 #define PPC_INST_STRING_GEN_MASK        0xfc00067e
  44
  45 #define PPC_INST_STSWI                  0x7c0005aa
  46 #define PPC_INST_STSWX                  0x7c00052a
  47 #define PPC_INST_STXVD2X                0x7c000798
  48 #define PPC_INST_TLBIE                  0x7c000264
  49 #define PPC_INST_TLBILX                 0x7c000024
  50 #define PPC_INST_WAIT                   0x7c00007c
  51 #define PPC_INST_TLBIVAX                0x7c000624
  52 #define PPC_INST_TLBSRX_DOT             0x7c0006a5
  53
  54 /* macros to insert fields into opcodes */
  55 #define __PPC_RA(a)     (((a) & 0x1f) << 16)
  56 #define __PPC_RB(b)     (((b) & 0x1f) << 11)
  57 #define __PPC_RS(s)     (((s) & 0x1f) << 21)
  58 #define __PPC_XS(s)     ((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
  59 #define __PPC_T_TLB(t)  (((t) & 0x3) << 21)
  60 #define __PPC_WC(w)     (((w) & 0x3) << 21)
  61
  62 /* Deal with instructions that older assemblers aren't aware of */
  63 #define PPC_DCBAL(a, b)         stringify_in_c(.long PPC_INST_DCBAL | \
  64                                         __PPC_RA(a) | __PPC_RB(b))
  65 #define PPC_DCBZL(a, b)         stringify_in_c(.long PPC_INST_DCBZL | \
  66                                         __PPC_RA(a) | __PPC_RB(b))
  67 #define PPC_MSGSND(b)           stringify_in_c(.long PPC_INST_MSGSND | \
  68                                         __PPC_RB(b))
  69 #define PPC_RFCI                stringify_in_c(.long PPC_INST_RFCI)
  70 #define PPC_RFDI                stringify_in_c(.long PPC_INST_RFDI)
  71 #define PPC_RFMCI               stringify_in_c(.long PPC_INST_RFMCI)
  72 #define PPC_TLBILX(t, a, b)     stringify_in_c(.long PPC_INST_TLBILX | \
  73                                         __PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
  74 #define PPC_TLBILX_ALL(a, b)    PPC_TLBILX(0, a, b)
  75 #define PPC_TLBILX_PID(a, b)    PPC_TLBILX(1, a, b)
  76 #define PPC_TLBILX_VA(a, b)     PPC_TLBILX(3, a, b)
  77 #define PPC_WAIT(w)             stringify_in_c(.long PPC_INST_WAIT | \
  78                                         __PPC_WC(w))
  79 #define PPC_TLBIE(lp,a)         stringify_in_c(.long PPC_INST_TLBIE | \
  80                                                __PPC_RB(a) | __PPC_RS(lp))
  81 #define PPC_TLBSRX_DOT(a,b)     stringify_in_c(.long PPC_INST_TLBSRX_DOT | \
  82                                         __PPC_RA(a) | __PPC_RB(b))
  83 #define PPC_TLBIVAX(a,b)        stringify_in_c(.long PPC_INST_TLBIVAX | \
  84                                         __PPC_RA(a) | __PPC_RB(b))
  85
  86 /*
  87  * Define what the VSX XX1 form instructions will look like, then add
  88  * the 128 bit load store instructions based on that.
  89  */
  90 #define VSX_XX1(s, a, b)        (__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
  91 #define STXVD2X(s, a, b)        stringify_in_c(.long PPC_INST_STXVD2X | \
  92                                                VSX_XX1((s), (a), (b)))
  93 #define LXVD2X(s, a, b)         stringify_in_c(.long PPC_INST_LXVD2X | \
  94                                                VSX_XX1((s), (a), (b)))
  95
  96 #endif /* _ASM_POWERPC_PPC_OPCODE_H */